i-manager Publications

i-manager's Journal on Power Systems Engineering (JPS)

Current Issue Vol. 12 Issue 1

Thermodynamic and Exergoeconomic Operation Optimization and Simulation of Steam Generation Solar Power Plant
Topology Transformation Approach for Optimal PMU Placement for Monitoring and Control of Power System
Performance Evaluation of Power System with HVDC Integration: Impact of SSSC and STATCOM on Power System Efficiency and Stability
Photovoltaic Systems: A Pollination-Based Optimization Approach for Critical Industrial Applications
Design of a Robust Controller for the Load Frequency Control of Interconnected Power System

Most Cited

Volume 3 Issue 3 August - October 2015

Research Paper

Computation of 400kV Phase and Sequence Impedance Matrices Signifying Transposition

G.Radhika* , Surya Kalavathi M**

* Senior Assistant Professor, Department of Electrical and Electronics Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.

** Professor, Department of Electrical and Electronics Engineering, Jawaharlal Nehru Technological University, Hyderabad, India.

Radhika, G., and Suryakalavathi, M. (2015). Computation of 400kv Phase and Sequence Impedance Matrices Signifying Transposition. i-manager’s Journal on Power Systems Engineering, 3(3), 1-7. https://doi.org/10.26634/jps.3.3.3631

Abstract

Electrical power systems usually cover large geographical areas and transmission facilities, that are incessantly increasing. These power systems when exposed to different environmental conditions may cause severe faults to occur on the existing system. In this paper, the need for transposing the lines for analysing the faults under phase and sequence frame of reference has been described. Currents flowing in any one conductor will induce voltage drops in the other successive conductors and these may be unequal even though the currents are balanced which is highly objectionable. In order to minimize the effect of line unbalance, there is a chance of interchanging the conductor positions at their regular intervals along the line, termed Transposition. The objective of this paper is to show the effect of transpositions in producing equal series self and mutual impedances in the phase and sequence frame of reference for a chosen 400 kV, double circuit, single ground wire tower configuration. It is also shown that, by applying nine transpositions technique, the effect of mutual sequence coupling between the two circuits is eliminated completely and balanced phase impedance matrix of 6X6 is obtained. The calculations of overhead lines for different tower configurations was carried out using digital computer program MATLAB and results obtained conventionally shows an excellent resemblance in obtaining balanced phase and sequence impedance matrices. Thus, the same simulation can be used for any tower configuration.

References

[1]. Nasser Tleis, (2009). Power System Modeling and Fault Analysis (Theory & Practice), Newnes Publishers, pp.74- 127.

[2]. G. Radhika, and M. Suryakalavathi, (2013). “Back flashover analysis improvement of a 220kV transmission line”, International Journal of Engineering Research and Applications, Vol.3, Issue 1, pp.533-536.

[3]. Fortescue, C.L (1918). Method of symmetrical coordinates applied to the solution of polyphase networks, Transactions of AIEE, Vol.37, pp.1027-1140.

[4]. Arif M. Gashimov, Aytek R. Babayeva, and Ahmet Nayir, (2009). “Transmission Line Transposition”, International Conference on Electrical & Electronics Engineering, pp.364 to 367.

[5]. Wagner, C.F. et. al (1933). Symmetrical Components, McGraw-Hill Book Company. Inc.

[6]. Inno Davidson and Kamati Mbangula, (2014). “Power System Modeling and Fault Analysis of Nam Power's 330 kV HVAC Transmission Line”, Journal of Energy and Power Engineering, pp.1432-1442.

[7]. R.H. Galloway, W.B. Shorrocks and L.M. Wedepohl (1964). “Calculation of Electrical Parameters for Short and Long Polyphase Transmission Lines”, Institution of Electrical Engineers, Vol.11, No.12, pp. 2051-2059.

[8]. Mooney. J.B. (2010). “Economic Analysis and Justification for Transmission Line Transposition”, Transmission and Distribution Conference and Exposition, IEEEPES, New Orleans, LA, USA, pp.1-5.

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Research Paper

Enhancement of System Stability using Static Synchronous Series Compensator

Anil Kumar* , S.K. Srivastava**

* Department of Electrical Engineering, Madan Mohan Malviya University of Technology, Gorakhpur, (UP), India.

** Associate Professor, Department of Electrical Engineering, Madan Mohan Malviya University of Technology, Gorakhpur, (UP), India.

Kumar, A., and Srivastava, S. K. (2015). Enhancement of System Stability using Static Synchronous Series Compensator. i-manager’s Journal on Power Systems Engineering, 3(3), 8-16. https://doi.org/10.26634/jps.3.3.3632

Abstract

Today, modern power system carries very high demand from the load side. Thus, they cause the stability problem. This paper investigates the problem related to the voltage stability in the power system and controlling the power flow through transmission line using a FACT controller known as Static Synchronous Series Compensator (SSSC). In this paper, the FACT controller investigates the effects for controlling the active and reactive power as well as damping power system oscillation that occur because of the heavy loaded system. Under heavy loaded conditions, there may be insufficient reactive power causing the voltage to drop. This voltage may lead to drop in voltage at various buses. Flexible AC Transmission System (FACTS) controller have been mainly used for various power system stability. In this paper, the authors used a Pulse Oscillation Damping controller with SSSC to damp out the system oscillation and maintain the stability of the power system. The SSSC equipped with source of energy in dc link can supply or absorb the active power to or from the line along with the reactive power flow control. The SSSC is represented by a variable voltage injection with associated transformer leakage reactance and voltage source.

References

[1]. N.G. Hingorani (2011). “Understanding of FACT concept technology of flexible ac transmission system”, IEEE Power Engineering IEEE press, Wiley India.

[2]. L. Gyugyi. (1988). “Power Electronics in electric utilities: Static VAR Compensator”, Processing of IEEE, Vol.7, No.4, pp.483-494.

[3]. N. Hingorani, L. Gyugyi, (2000). “Understanding FACT concept technology of flexible AC transmission system”, IEEE Press, Newyork.

[4]. Nagarjun Donipala et. al. (2014). “An Adaptive Power System Stability Enhancement using Static Synchronous Series Compensator (SSSC)”, Int. Journal of Engineering Research and Applications, ISSN:2248-9622, Vol.4, No.1, pp.261-265.

[5]. B.M. Naveen Kumar Reddy, Himani Goyal. (2013). “Power System Stability Enhancement using Static Synchronous Series Compensator (SSSC)”, International Journal of Modern Engineering Research (IJMER), Vol.3, Issue.4, pp.2530-2536.

[6]. H. Taheri, S. Shahabi, Sh. Taheri and A. Gholami (2009). "Application of Synchronous Static Series Compensator (SSSC) on Enhancement of Voltage Stability and Power Oscillation Damping", IEEE Transactions on Power System, pp.533-539.

[7]. Abido M. A. (2009). "Power System Stability Enhancement Using Facts Controllers: A Review", The Arabian Journal for Science and Engineering, Vol.34, pp.153-172.

[8]. B.N. Singh, A. Chandra, K.AI-Haddad and B. Singh (1999). "Performance of sliding- mode and fuzzy controllers for a static synchronous series compensator", IEEE proceedings, Vol.146, No.2, pp.200-206.

[9]. G. N. Pillai, A. Ghosh, A. Joshi, (2000). “Torsional interaction studies on a series compensator based on solid-state synchronous voltage source”, Industrial Technology 2000, Proceedings of IEEE International Conference on, Vol.2, pp.179-184, 19-22.

[10]. Sen K.K, (1998). “SSSC-Static Synchronous Series Compensator: Theory, Modeling and Publications”, IEEE Trans. Power Delivery, Vol.13, No.1, pp.241-246.

[11]. A. H. Norouzi, A. M. Sharaf, (2005). “Two control schemes to enhance the dynamic performance of the STATCOM and SSSC”, IEEE Trans. Power Delivery, Vol.20, No.1.

[12]. J. H. Kim, K. C. Kim, E. K. P. Chong, (1994). “Fuzzy precompensated PID controllers”, IEEE Trans. Control Syst. Technology, Vol.2, No.4.

[13]. R. Mihalic, I. Papic, (1998). “Static synchronous series compensator-a mean for dynamic power flow control in electric power systems”, Electrical Power System Research, Vol.45, No.1, pp.65-72.

[14]. L. Sunil Kumar, Arindam Gosh, (1999). “Static synchronous series compensator-Design, Control and Application”, Electrical Power System Research, Vol.49, No.2, pp.139-148.

[15]. A. M .Kulkarni, K. R. Padiyar, (1999). “Damping of power swings using series FACTS controllers”, International Journal of Electrical Power and Energy Systems, Vol.21, No.7, pp.475-495.

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Research Paper

Implementation of Capacitor Banks for Fixed Compensation to Improve the Performance of the Captive Generator in Petrochemical Industry

Meenakshendra A. Khamitkar* , Shekhappa G. Ankaliki , Gururaj Rao*

* PG Scholar, Department of Electrical And Electronics Engineering, SDM College of Engineering And Technology, Dharwad, India.

Professor, Department of Electrical And Electronics Engineering, SDM College of Engineering And Technology, Dharwad, India.

* SPS & CI Manager, Schneider Electric Power Factor Correction Pvt Ltd, Banglore, India.

Khamitkar, M. A., Ankaliki, S.G., and Rao, G. (2015). Implementation of Capacitor Banks for Fixed Compensation to Improve the Performance of the Captive Generator in Petrochemical Industry. i-manager’s Journal on Power Systems Engineering, 3(3), 17-22. https://doi.org/10.26634/jps.3.3.3633

Abstract

This paper presents the design and implementation of capacitor banks to improve the performance of captive generation in petrochemical industry. Now-a-days many industries faces the problem of maintaining power quality during scheduled power outages. While transferring the load from utility supply to the captive generation supply, facing the problem of voltage dip due to heavy loading condition, affects the system performance. In order to overcome this problem, situation was analyzed and suggested to install capacitor banks at the generator feeder to improve the system performance. Power World simulator is used to analyze the problem and to observe the performance of the system after the installation of the capacitors. The case study of petrochemical industry has been taken to identify the actual problem analysis and its solution.

References

[1]. R. Carbone, and A. Scappatura, (2004). “A High Efficiency Passive Power Factor Corrector for Single-phase Bridge Diode Rectifiers”, 35th Annual IEEE Power Electronics Specialists Conference.

[2]. An Luo, Zhikang Shuai, Wenji Zhu, and Z. John Shen, (2009). “Combine -d System for Harmonic Suppression and Reactive Power Compensation”, IEEE Transactions on Industrial Electronic -S, Vol.56, No.2.

[3]. Subhashish Bhattacharya, Po-Tai Cheng and Deepak M. Divan, (1997). “Hybrid Solutions for Improving Passive Filter Performance in High Power Applications”, IEEE Transactions on Industry Applications, Vol.33, No.3.

[4]. Vlatko VlatkoviC, DuSan BorojeviC and Fred C. Lee, (1996). “Input Filter Design for Power Factor Correction Circuits”, IEEE Transactions on Power Electronics, Vol.11, No.1.

[5]. A. M. Sharaf, C. Guo and H. Huang, (2004). “Power Factor Correction for Nonlinear Loads Using Rule Based Modulated Passive Filters”, Conference of the IEEE lndustrlal Electronics Society, Busan, Korea.

[6]. Tong-Kun Lee, Jul-fi Seok and Dong-Choon Lee, (2004). “Unified Active Power Filters for Source Voltage Unbalance/Current Harmonics Compensation and Power Factor Correction”, The 30th Annual Conference of the IEEE lndustrlal Electronics Society, Busan, Korea.

[7]. Math H J Bollen, (2011). Understanding Power Quality Problems; Voltage Sags and Interruptions, Wiley India.

[8]. T.J.E. Miller, (2010). Reactive Power Control in Electrical Systems, Wiley (India).

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Research Paper

Transmission Power Flow Tracing and Loss Allocation using Proportional Sharing

G. Venkata Sai Siva Kumar* , Ragaleela D.**

* PG scholar, Department of Electrical and Electronics Engineering, Prasad V Potluri Siddhartha Institute of Technology, Andhra Pradesh, India.

** Assistant Professor, Department of Electrical and Electronics Engineering, Prasad V Potluri Siddhartha Institute of Technology, Andhra Pradesh, India.

Sivakumar, G. V. S., and Ragaleela, D. (2015). Transmission Power Flow Tracing and Loss Allocation using Proportional Sharing. i-manager’s Journal on Power Systems Engineering, 3(3), 23-31. https://doi.org/10.26634/jps.3.3.3634

Abstract

Deregulation is the major trend in the electric power industry throughout the world, in which restructuring of electricity network was done to access power from any generator to any load and to introduce competition by paving way for the private participants. In this transmission, network plays a very important role. One of the key issues of this restructured power system is, power loss allocation that needs to access what impact of particular generator or load on power system, for which power flow is to be traced along the lines. Tracing of power determine the contribution of transmission users to transmission usage, also helps to meet the revenue expectations and support efficient operation of electrical markets and adequately reimburse owners of transmission assets, in this view tracing of electricity has gained significance. In this paper, power flow tracing using AC power flow and the proportional sharing principle has been attempted, which is Bialek's power flow tracing which comes in two flavors, up-stream and down-stream algorithms by considering gross, net and average power flows in the network. The application of these techniques are explained, tested on IEEE-14 bus system and results are compared between all approaches using MATLAB.

References

[1]. N. V. Subba Rao, G. Kesava Rao, and S. Sivanaga Raju, (2014). “Transmission Active Power Loss Allocation to Loads using Power Flow Tracing”, International Journal of Advanced Engineering and Nano Technology (IJAENT), Vol.1, No.11.

[2]. K. Venkata Narayana and J. Krishna Kishore, (2013) “Tracing of Power Using Bialek's Tracing Method in a Deregulated Power system”, International Journal of Engineering Research & Technology, Vol.2, No.7.

[3]. Satyavir Singh, (2012). “Powertracing in a Deregulated power system: IEEE 14-Bus case”, International Journal of Computer Technology & Applications, Vol.3, No.3, pp.888-894.

[4]. P. Srinivasa Varma and V. Sankar, (2012). “Comparision of transmission Loss Allocation Methods in Deregulated Power System”, International Journal on Advanced Electrical and Electronics Engineering, Vol.1, No.1.

[5]. J. W. Bialek and P. A. Kattuman, (2004). “Proportional sharing assumption in tracing methodology”, IEEE, Generation, Transmission and Distribution, No.4, pp.526- 532.

[6]. Bialek J. W., Ziemiank S., and Wallace R.,(2002) “A Methodology for Allocating Transmission Losses due to Cross-bored Trades”, IEEE Transmissions on Power System, Vol.17, No.3, pp.571-576.

[7]. M. W. Mustafa and H. Shareef, (2006). “A Comparison of Electric Power Tracing Methods Used in Deregulated Power System,” First international Power Energy Conference PECon 2006, Putrajaya, Malaysia, November pp.28-29.

[8]. Daniel Kirschen, Ron Allan, and Goran Strbac, (1997). “Contribution of Individual Generators to Load and Flows”, IEEE Transaction on Power Systems, Vol.12, No.1.

[9]. Mohammad Shahidehpour, HatimYamin and Zuyi Li, (1997). Market Operation in Electric Power Systems Forecasting, Scheduling, and Risk Management, A John Wiley & Sons, Inc., Publication.

[10]. J. Bialek, (1996). “Tracing the Flow of Electricity”, IEEE Proc-Gener, Trans. Distrib., Vol.143, No.4.

[11]. Shahidelpour M., Yahim H., and li Z., (2002). Market operations in electric power systems. Forecasting, Scheduling and Risk Management, John Wiley & Sons, INC.

[12]. Bialek, J., (1996). “Identification of source-sink connections in transmission networks”, Proceedings of Fourth IEE conference on Power System Control and Management, London, pp.200-204.

[13]. Strabac G., Kirschen D., and Almed S., (1998). “Allocating Transmission System Usage on the Basis of Traceable Contribution of generators and loads to flow”, IEEE Transactions on Power System, Vol.13, No.2, pp.527- 534.

[14]. Perumal Nallagownden, Ravindra N. Mukerjee, “Power Tracing and Prediction of Losses for Deregulated transmission system”, International Journal of Electrical and Computer Science, Vol.10, No.1.

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Research Paper

Power Conditioning System for a Solar Photovoltaic System Using Level Shift Sinusoidal PWM

Mahesh Babu* , K.K.Deepika, B.Jyothi*

* PG Student, Department of Electrical and Electronics Engineering, Vignan's Institute of Technology, Visakhapatnam, India.

-* Assistant Professor, Department of Electrical and Electronics Engineering, Vignan's Institute of Technology, Visakhapatnam, India.

Babu, M., Deepika, K. K., and Jyothi, B. (2015). Power Conditioning System for a Solar Photovoltaic System Using Level Shift Sinusoidal PWM. i-manager’s Journal on Power Systems Engineering, 3(3), 32-40. https://doi.org/10.26634/jps.3.3.3635

Abstract

Maximum Energy can be extracted from the popularly used PV systems by using Power conditioner circuit. Power conditioner controlled with FPGA is implemented in this paper. Variable DC power from the solar array [33][34] is converted to constant DC voltage using a Boost converter. FPGA controller adjusts the pulse width to maintain the output voltage of the boost converter constant. The obtained constant DC voltage is converted to 3-phase AC using a 3-Phase 3-level diode clamped inverter. Reference current at AC side of the inverter is controlled by current control MPPT based on six-region operation. 2-stage power conditioner for the Solar PV system is developed in MATLAB Simulink and Xilinx System generator tool. Simulated results are analysed using Bode plot and THD analysis.

References

[1]. Mukund R. Patel. Wind and Solar Power Systems, U.S. Merchant Marine Academy Kings Point, New York, Vol.34, pp.18-20.

[2]. M.H. Rashid, (2001). Power Electronics Handbook, Academic Press, San Diego, CA, pp.211-214, 221, 231- 233, 540-546, 554, 557, 558.

[3]. Roger Messenger and J. Ventre, (2000). Photovoltaic Systems Engineering, CRC Press, Boca Raton, FL, 2000, pp.63, 64, 70-74.

[4]. D. Shmilovitz, (2005). “On the control of photovoltaic maximum PowerPoint tracker via output parameters”, IEEE Proceedings, Vol.152.

[5]. S. Wenham, M. Green, M. Watt, and R. Corkish, (2007). Applied Photovoltaics, Earthscan London, UK, 2007, pp.43, 45, 57, 103, 108, 110.

[6]. Soteris A. Kalogirou, Solar Energy Engineering Processes and Systems, Amsterdam.

[7]. J. Rodriguez, J.-S. Lai, and F.Z. Peng, (2002). “Multilevel inverters: A survey of topologies, controls, and applications”, IEEE Trans. Ind. Electron., Vol.49, No.4, pp. 724–738.

[8]. L. Franquelo, J. Rodriguez, J. Leon, S. Kouro, R. Portillo, and M. Prats, (2008). “The Age of Multilevel Converters Arrives”, IEEE Ind. Electron. Mag., Vol.2, No.2, pp.28-39.

[9]. J. Rodriguez, L. Franquelo, S. Kouro, J. Leon, R. Portillo, M. Prats, and M. Perez, (2009). “Multilevel Converters: An Enabling Technology for High-Power Applications”, Proc. IEEE, pp.1786-1817, Vol.97, No.11.

[10]. Frede Blaabjerg, Zhe Chen, and Soren Baekhoej Kjaer, (2004). “Power electronics as efficient interface in dispersed power generation systems”, IEEE Trans. Power Electron., Vol.19, No.5, pp.1184-1194.

[11]. B. K. Bose, (1997). Power Electronics and Variable Frequency Drives: Technology and Applications, IEEE Press, Piscataway, NJ.

[12]. R.S. Ramshaw, (1993). Power Electronics Semiconductor Switches, Chapman and Hall, London, UK, pp.27-28.

[13]. H. Chiu and L. Lin, (2006). “A Bidirectional DC-DC Converter for Fuel Cell Electric Vehicle Driving System”, IEEE Trans. on Power Electronics, Vol.21, No.4, pp.950- 958.

[14]. N. Raju, N. Beedu, N. Lakshminarasamma, V. Ramanarayanan, (2006). “A Do-It-Yourself (DIY) Switched Mode Power Conversion Laboratory”, Proc. of IEEE-India International Conference on Power Electronics IICPE, pp.289-292.

[15]. Middlebrook R.D, (1988). “Transformerless DC-to-DC converters with large conversion ratios”, IEEE Trans. Power Electronics, Vol.3, No.4, pp.484-488.

[16]. Middlebrook. R.D, (1988). “Small-signal modeling of pulse-width modulated switched-mode power converters”, Proc. of the IEEE, Vol.76, No.4, pp.343-354.

[17]. L. M. Tolbert, F. Z. Peng, and T. Habetler, (1999). “Multilevel Converters for Large Electric drives”, IEEE Trans. Ind. Applicat., Vol.35, pp.36-44.

[18]. Nabae, I. Takahashi, and H. Akagi, (1981). “A New Neutral-point Clamped PWM inverter”, IEEE Trans. Ind. Applicat., Vol.IA-17, pp.518-523.

[19]. M. D. Manjrekar, and T. A. Lipo, (1998). “A Generalized Structure of Multilevel Power Converter”, IEEE Conference on Power Electronics, Drives, and Energy Systems, Australia, pp.62-67.

[20]. C. Hochgraf, R. Lasseter, D. Divan, and T. A. Lipo, (1994). “Comparison of Multilevel Inverters for Static Var Compensation,” Conference - IEEE Industry Applications Society 29th Annual Meeting, pp.921-928.

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[22]. L. M. Tolbert, and T. G. Habetler, (1999). “Novel Multilevel Inverter Carrier-Based PWM Method”, IEEE Transactions on Industry Applications, Vol.25, No.5, pp.1098-1107.

[23]. N. S. Choi, J. G. Cho, and G. H. Cho, (1991). “A General Circuit Topology of Multilevel Inverter”, IEEE Power Electronics Specialists Conference, pp.96-103.

[24]. E. Cengelci, S. U. Sulistijo, B. O. Woom, P. Enjeti, R. Teodorescu, and F. Blaabjerg, (1998). “A New Medium Voltage PWM Inverter Topology for Adjustable Speed Drives”, in Conf. Rec. IEEE-IAS Annu. Meeting, St. Louis, MO, pp.1416-1423.

[25]. Panagis, P., Stergiopoulos, F., Marabeas, and P., Manias, S., (2008). "Comparison of state of the art multilevel inverters", Power Electronics Specialists Conference, PESC 2008. IEEE, pp.4296-4301, 15-19, doi:10.1109/ PESC.2008.4592633.

[26]. Peng, F.Z., (2000). "A generalized multilevel inverter topology with self voltage balancing", Industry Applications Conference, 2000. Conference Record of the 2000 IEEE, Vol.3, No., pp.2024-2031, doi: 10.1109/ IAS.2000.882155

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i-manager's Journal on Power Systems Engineering (JPS)

Current Issue Vol. 12 Issue 1

Most Read

Most Cited

Volume 3 Issue 3 August - October 2015

Computation of 400kV Phase and Sequence Impedance Matrices Signifying Transposition

G.Radhika* , Surya Kalavathi M**

* Senior Assistant Professor, Department of Electrical and Electronics Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India. ** Professor, Department of Electrical and Electronics Engineering, Jawaharlal Nehru Technological University, Hyderabad, India.

Radhika, G., and Suryakalavathi, M. (2015). Computation of 400kv Phase and Sequence Impedance Matrices Signifying Transposition. i-manager’s Journal on Power Systems Engineering, 3(3), 1-7. https://doi.org/10.26634/jps.3.3.3631

Abstract

References

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Enhancement of System Stability using Static Synchronous Series Compensator

Anil Kumar* , S.K. Srivastava**

* Department of Electrical Engineering, Madan Mohan Malviya University of Technology, Gorakhpur, (UP), India. ** Associate Professor, Department of Electrical Engineering, Madan Mohan Malviya University of Technology, Gorakhpur, (UP), India.

Kumar, A., and Srivastava, S. K. (2015). Enhancement of System Stability using Static Synchronous Series Compensator. i-manager’s Journal on Power Systems Engineering, 3(3), 8-16. https://doi.org/10.26634/jps.3.3.3632

Abstract

References

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Implementation of Capacitor Banks for Fixed Compensation to Improve the Performance of the Captive Generator in Petrochemical Industry

Meenakshendra A. Khamitkar* , Shekhappa G. Ankaliki **, Gururaj Rao***

Khamitkar, M. A., Ankaliki, S.G., and Rao, G. (2015). Implementation of Capacitor Banks for Fixed Compensation to Improve the Performance of the Captive Generator in Petrochemical Industry. i-manager’s Journal on Power Systems Engineering, 3(3), 17-22. https://doi.org/10.26634/jps.3.3.3633

Abstract

References

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Transmission Power Flow Tracing and Loss Allocation using Proportional Sharing

G. Venkata Sai Siva Kumar* , Ragaleela D.**

* PG scholar, Department of Electrical and Electronics Engineering, Prasad V Potluri Siddhartha Institute of Technology, Andhra Pradesh, India. ** Assistant Professor, Department of Electrical and Electronics Engineering, Prasad V Potluri Siddhartha Institute of Technology, Andhra Pradesh, India.

Sivakumar, G. V. S., and Ragaleela, D. (2015). Transmission Power Flow Tracing and Loss Allocation using Proportional Sharing. i-manager’s Journal on Power Systems Engineering, 3(3), 23-31. https://doi.org/10.26634/jps.3.3.3634

Abstract

References

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Power Conditioning System for a Solar Photovoltaic System Using Level Shift Sinusoidal PWM

Mahesh Babu* , K.K.Deepika**, B.Jyothi***

* PG Student, Department of Electrical and Electronics Engineering, Vignan's Institute of Technology, Visakhapatnam, India. **-*** Assistant Professor, Department of Electrical and Electronics Engineering, Vignan's Institute of Technology, Visakhapatnam, India.

Babu, M., Deepika, K. K., and Jyothi, B. (2015). Power Conditioning System for a Solar Photovoltaic System Using Level Shift Sinusoidal PWM. i-manager’s Journal on Power Systems Engineering, 3(3), 32-40. https://doi.org/10.26634/jps.3.3.3635

Abstract

References

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* Senior Assistant Professor, Department of Electrical and Electronics Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India.

** Professor, Department of Electrical and Electronics Engineering, Jawaharlal Nehru Technological University, Hyderabad, India.

* Department of Electrical Engineering, Madan Mohan Malviya University of Technology, Gorakhpur, (UP), India.

** Associate Professor, Department of Electrical Engineering, Madan Mohan Malviya University of Technology, Gorakhpur, (UP), India.

Meenakshendra A. Khamitkar* , Shekhappa G. Ankaliki , Gururaj Rao*

* PG scholar, Department of Electrical and Electronics Engineering, Prasad V Potluri Siddhartha Institute of Technology, Andhra Pradesh, India.

** Assistant Professor, Department of Electrical and Electronics Engineering, Prasad V Potluri Siddhartha Institute of Technology, Andhra Pradesh, India.

Mahesh Babu* , K.K.Deepika, B.Jyothi*

* PG Student, Department of Electrical and Electronics Engineering, Vignan's Institute of Technology, Visakhapatnam, India.

-* Assistant Professor, Department of Electrical and Electronics Engineering, Vignan's Institute of Technology, Visakhapatnam, India.